$ git clone -n http://git.inferitos.ru/rpms/pcp /var/lib/mock/inferit-8_10-bootstrap-build-37874-75799/root/chroot_tmpdir/scmroot/pcp
Cloning into '/var/lib/mock/inferit-8_10-bootstrap-build-37874-75799/root/chroot_tmpdir/scmroot/pcp'...
$ git fetch origin changed/i8c-beta/pcp-5.3.7-19.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/pcp
 * [new tag]         changed/i8c-beta/pcp-5.3.7-19.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2470bb import pcp-5.3.7-19.el8